return;
}
+ $data = $msg;
+
// php doesn't like dashes in variable names
$msg['message'] = str_replace(
if($xmlbase->request) {
+ $tempfile = tempnam(get_temppath(), "diaspora-request");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_request($importer,$xmlbase->request);
}
elseif($xmlbase->status_message) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-status_message");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_post($importer,$xmlbase->status_message,$msg);
}
elseif($xmlbase->profile) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-profile");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_profile($importer,$xmlbase->profile,$msg);
}
elseif($xmlbase->comment) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-comment");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_comment($importer,$xmlbase->comment,$msg);
}
elseif($xmlbase->like) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-like");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_like($importer,$xmlbase->like,$msg);
}
elseif($xmlbase->asphoto) {
+ $tempfile = tempnam(get_temppath(), "diaspora-asphoto");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_asphoto($importer,$xmlbase->asphoto,$msg);
}
elseif($xmlbase->reshare) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-reshare");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_reshare($importer,$xmlbase->reshare,$msg);
}
elseif($xmlbase->retraction) {
+ $tempfile = tempnam(get_temppath(), "diaspora-retraction");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_retraction($importer,$xmlbase->retraction,$msg);
}
elseif($xmlbase->signed_retraction) {
+ $tempfile = tempnam(get_temppath(), "diaspora-signed_retraction");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_signed_retraction($importer,$xmlbase->signed_retraction,$msg);
}
elseif($xmlbase->relayable_retraction) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-relayable_retraction");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_signed_retraction($importer,$xmlbase->relayable_retraction,$msg);
}
elseif($xmlbase->photo) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-photo");
+ //file_put_contents($tempfile, json_encode($data));
$ret = diaspora_photo($importer,$xmlbase->photo,$msg,$attempt);
}
elseif($xmlbase->conversation) {
+ $tempfile = tempnam(get_temppath(), "diaspora-conversation");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_conversation($importer,$xmlbase->conversation,$msg);
}
elseif($xmlbase->message) {
+ $tempfile = tempnam(get_temppath(), "diaspora-message");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_message($importer,$xmlbase->message,$msg);
}
elseif($xmlbase->participation) {
+ //$tempfile = tempnam(get_temppath(), "diaspora-participation");
+ //file_put_contents($tempfile, json_encode($data));
+ $ret = diaspora_participation($importer,$xmlbase->participation);
+ }
+ elseif($xmlbase->poll_participation) {
+ $tempfile = tempnam(get_temppath(), "diaspora-poll_participation");
+ file_put_contents($tempfile, json_encode($data));
$ret = diaspora_participation($importer,$xmlbase->participation);
}
else {
+ $tempfile = tempnam(get_temppath(), "diaspora-unknown");
+ file_put_contents($tempfile, json_encode($data));
logger('diaspora_dispatch: unknown message type: ' . print_r($xmlbase,true));
}
return $ret;
--- /dev/null
+<?php
+/**
+ * @file include/diaspora.php
+ * @brief The implementation of the diaspora protocol
+ */
+
+require_once("include/diaspora.php");
+require_once("include/Scrape.php");
+
+function array_to_xml($array, &$xml) {
+
+ if (!is_object($xml)) {
+ foreach($array as $key => $value) {
+ $root = new SimpleXMLElement('<'.$key.'/>');
+ array_to_xml($value, $root);
+
+ $dom = dom_import_simplexml($root)->ownerDocument;
+ $dom->formatOutput = true;
+ return $dom->saveXML();
+ }
+ }
+
+ foreach($array as $key => $value) {
+ if (!is_array($value) AND !is_numeric($key))
+ $xml->addChild($key, $value);
+ elseif (is_array($value))
+ array_to_xml($value, $xml->addChild($key));
+ }
+}
+
+/**
+ * @brief This class contain functions to create and send DFRN XML files
+ *
+ */
+class diaspora {
+
+ public static function dispatch_public($msg) {
+
+ $enabled = intval(get_config("system", "diaspora_enabled"));
+ if (!$enabled) {
+ logger('diaspora is disabled');
+ return false;
+ }
+
+ // Use a dummy importer to import the data for the public copy
+ $importer = array("uid" => 0, "page-flags" => PAGE_FREELOVE);
+ self::dispatch($importer,$msg);
+
+ // Now distribute it to the followers
+ $r = q("SELECT `user`.* FROM `user` WHERE `user`.`uid` IN
+ (SELECT `contact`.`uid` FROM `contact` WHERE `contact`.`network` = '%s' AND `contact`.`addr` = '%s')
+ AND NOT `account_expired` AND NOT `account_removed`",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($msg["author"])
+ );
+ if(count($r)) {
+ foreach($r as $rr) {
+ logger("delivering to: ".$rr["username"]);
+ self::dispatch($rr,$msg);
+ }
+ } else
+ logger("No subscribers for ".$msg["author"]." ".print_r($msg, true));
+ }
+
+ public static function dispatch($importer, $msg) {
+
+ // The sender is the handle of the contact that sent the message.
+ // This will often be different with relayed messages (for example "like" and "comment")
+ $sender = $msg->author;
+
+ if (!diaspora::valid_posting($msg, $fields)) {
+ logger("Invalid posting");
+ return false;
+ }
+
+ $type = $fields->getName();
+
+ switch ($type) {
+ case "account_deletion":
+ return self::import_account_deletion($importer, $fields);
+
+ case "comment":
+ return self::import_comment($importer, $sender, $fields);
+
+ case "conversation":
+ return self::import_conversation($importer, $fields);
+
+ case "like":
+ return self::import_like($importer, $sender, $fields);
+
+ case "message":
+ return self::import_message($importer, $fields);
+
+ case "participation":
+ return self::import_participation($importer, $fields);
+
+ case "photo":
+ return self::import_photo($importer, $fields);
+
+ case "poll_participation":
+ return self::import_poll_participation($importer, $fields);
+
+ case "profile":
+ return self::import_profile($importer, $fields);
+
+ case "request":
+ return self::import_request($importer, $fields);
+
+ case "reshare":
+ return self::import_reshare($importer, $fields);
+
+ case "retraction":
+ return self::import_retraction($importer, $fields);
+
+ case "status_message":
+ return self::import_status_message($importer, $fields);
+
+ default:
+ logger("Unknown message type ".$type);
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * @brief Checks if a posting is valid and fetches the data fields.
+ *
+ * This function does not only check the signature.
+ * It also does the conversion between the old and the new diaspora format.
+ *
+ * @param array $msg Array with the XML, the sender handle and the sender signature
+ * @param object $fields SimpleXML object that contains the posting
+ *
+ * @return bool Is the posting valid?
+ */
+ private function valid_posting($msg, &$fields) {
+
+ $data = parse_xml_string($msg->message, false);
+
+ $first_child = $data->getName();
+
+ if ($data->getName() == "XML") {
+ $oldXML = true;
+ foreach ($data->post->children() as $child)
+ $element = $child;
+ } else {
+ $oldXML = false;
+ $element = $data;
+ }
+
+ $type = $element->getName();
+
+ if (in_array($type, array("signed_retraction", "relayable_retraction")))
+ $type = "retraction";
+
+ $fields = new SimpleXMLElement("<".$type."/>");
+
+ $signed_data = "";
+
+ foreach ($element->children() AS $fieldname => $data) {
+
+ if ($oldXML) {
+ // Translation for the old XML structure
+ if ($fieldname == "diaspora_handle")
+ $fieldname = "author";
+
+ if ($fieldname == "participant_handles")
+ $fieldname = "participants";
+
+ if (in_array($type, array("like", "participation"))) {
+ if ($fieldname == "target_type")
+ $fieldname = "parent_type";
+ }
+
+ if ($fieldname == "sender_handle")
+ $fieldname = "author";
+
+ if ($fieldname == "recipient_handle")
+ $fieldname = "recipient";
+
+ if ($fieldname == "root_diaspora_id")
+ $fieldname = "root_author";
+
+ if ($type == "retraction") {
+ if ($fieldname == "post_guid")
+ $fieldname = "target_guid";
+
+ if ($fieldname == "type")
+ $fieldname = "target_type";
+ }
+ }
+
+ if ($fieldname == "author_signature")
+ $author_signature = base64_decode($data);
+ elseif ($fieldname == "parent_author_signature")
+ $parent_author_signature = base64_decode($data);
+ elseif ($fieldname != "target_author_signature") {
+ if ($signed_data != "") {
+ $signed_data .= ";";
+ $signed_data_parent .= ";";
+ }
+
+ $signed_data .= $data;
+ $fields->$fieldname = $data;
+ }
+ }
+
+ if (in_array($type, array("status_message", "reshare")))
+ if ($msg->author != $fields->author) {
+ logger("Message handle is not the same as envelope sender. Quitting this message.");
+ return false;
+ }
+
+ if (!in_array($type, array("comment", "conversation", "message", "like")))
+ return true;
+
+ if (!isset($author_signature))
+ return false;
+
+ if (isset($parent_author_signature)) {
+ $key = self::get_key($msg->author);
+
+ if (!rsa_verify($signed_data, $parent_author_signature, $key, "sha256"))
+ return false;
+ }
+
+ $key = self::get_key($fields->author);
+
+ return rsa_verify($signed_data, $author_signature, $key, "sha256");
+ }
+
+ private function get_key($handle) {
+ logger("Fetching diaspora key for: ".$handle);
+
+ $r = self::get_person_by_handle($handle);
+ if($r)
+ return $r["pubkey"];
+
+ return "";
+ }
+
+ private function get_person_by_handle($handle) {
+
+ $r = q("SELECT * FROM `fcontact` WHERE `network` = '%s' AND `addr` = '%s' LIMIT 1",
+ dbesc(NETWORK_DIASPORA),
+ dbesc($handle)
+ );
+ if (count($r)) {
+ $person = $r[0];
+ logger("In cache ".print_r($r,true), LOGGER_DEBUG);
+
+ // update record occasionally so it doesn't get stale
+ $d = strtotime($person["updated"]." +00:00");
+ if ($d < strtotime("now - 14 days"))
+ $update = true;
+ }
+
+ if (!$person OR $update) {
+ logger("create or refresh", LOGGER_DEBUG);
+ $r = probe_url($handle, PROBE_DIASPORA);
+
+ // Note that Friendica contacts will return a "Diaspora person"
+ // if Diaspora connectivity is enabled on their server
+ if (count($r) AND ($r["network"] === NETWORK_DIASPORA)) {
+ self::add_fcontact($r, $update);
+ $person = $r;
+ }
+ }
+ return $person;
+ }
+
+ private function add_fcontact($arr, $update = false) {
+ /// @todo Remove this function from include/network.php
+
+ if($update) {
+ $r = q("UPDATE `fcontact` SET
+ `name` = '%s',
+ `photo` = '%s',
+ `request` = '%s',
+ `nick` = '%s',
+ `addr` = '%s',
+ `batch` = '%s',
+ `notify` = '%s',
+ `poll` = '%s',
+ `confirm` = '%s',
+ `alias` = '%s',
+ `pubkey` = '%s',
+ `updated` = '%s'
+ WHERE `url` = '%s' AND `network` = '%s'",
+ dbesc($arr["name"]),
+ dbesc($arr["photo"]),
+ dbesc($arr["request"]),
+ dbesc($arr["nick"]),
+ dbesc($arr["addr"]),
+ dbesc($arr["batch"]),
+ dbesc($arr["notify"]),
+ dbesc($arr["poll"]),
+ dbesc($arr["confirm"]),
+ dbesc($arr["alias"]),
+ dbesc($arr["pubkey"]),
+ dbesc(datetime_convert()),
+ dbesc($arr["url"]),
+ dbesc($arr["network"])
+ );
+ } else {
+ $r = q("INSERT INTO `fcontact` (`url`,`name`,`photo`,`request`,`nick`,`addr`,
+ `batch`, `notify`,`poll`,`confirm`,`network`,`alias`,`pubkey`,`updated`)
+ VALUES ('%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s','%s')",
+ dbesc($arr["url"]),
+ dbesc($arr["name"]),
+ dbesc($arr["photo"]),
+ dbesc($arr["request"]),
+ dbesc($arr["nick"]),
+ dbesc($arr["addr"]),
+ dbesc($arr["batch"]),
+ dbesc($arr["notify"]),
+ dbesc($arr["poll"]),
+ dbesc($arr["confirm"]),
+ dbesc($arr["network"]),
+ dbesc($arr["alias"]),
+ dbesc($arr["pubkey"]),
+ dbesc(datetime_convert())
+ );
+ }
+
+ return $r;
+ }
+
+ private function get_contact_by_handle($uid, $handle) {
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `addr` = '%s' LIMIT 1",
+ intval($uid),
+ dbesc($handle)
+ );
+
+ if ($r AND count($r))
+ return $r[0];
+
+ $handle_parts = explode("@", $handle);
+ $nurl_sql = '%%://' . $handle_parts[1] . '%%/profile/' . $handle_parts[0];
+ $r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND `uid` = %d AND `nurl` LIKE '%s' LIMIT 1",
+ dbesc(NETWORK_DFRN),
+ intval($uid),
+ dbesc($nurl_sql)
+ );
+ if($r AND count($r))
+ return $r[0];
+
+ return false;
+ }
+
+/*
+function DiasporaFetchGuid($item) {
+ preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
+ function ($match) use ($item){
+ return(DiasporaFetchGuidSub($match, $item));
+ },$item["body"]);
+}
+
+function DiasporaFetchGuidSub($match, $item) {
+ $a = get_app();
+
+ if (!diaspora_store_by_guid($match[1], $item["author-link"]))
+ diaspora_store_by_guid($match[1], $item["owner-link"]);
+}
+
+function diaspora_store_by_guid($guid, $server, $uid = 0) {
+ require_once("include/Contact.php");
+
+ $serverparts = parse_url($server);
+ $server = $serverparts["scheme"]."://".$serverparts["host"];
+
+ logger("Trying to fetch item ".$guid." from ".$server, LOGGER_DEBUG);
+
+ $item = diaspora_fetch_message($guid, $server);
+
+ if (!$item)
+ return false;
+
+ logger("Successfully fetched item ".$guid." from ".$server, LOGGER_DEBUG);
+
+ $body = $item["body"];
+ $str_tags = $item["tag"];
+ $app = $item["app"];
+ $created = $item["created"];
+ $author = $item["author"];
+ $guid = $item["guid"];
+ $private = $item["private"];
+ $object = $item["object"];
+ $objecttype = $item["object-type"];
+
+ $message_id = $author.':'.$guid;
+ $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($uid),
+ dbesc($guid)
+ );
+ if(count($r))
+ return $r[0]["id"];
+
+ $person = find_diaspora_person_by_handle($author);
+
+ $contact_id = get_contact($person['url'], $uid);
+
+ $contacts = q("SELECT * FROM `contact` WHERE `id` = %d", intval($contact_id));
+ $importers = q("SELECT * FROM `user` WHERE `uid` = %d", intval($uid));
+
+ if ($contacts AND $importers)
+ if(!diaspora_post_allow($importers[0],$contacts[0], false)) {
+ logger('Ignoring author '.$person['url'].' for uid '.$uid);
+ return false;
+ } else
+ logger('Author '.$person['url'].' is allowed for uid '.$uid);
+
+ $datarray = array();
+ $datarray['uid'] = $uid;
+ $datarray['contact-id'] = $contact_id;
+ $datarray['wall'] = 0;
+ $datarray['network'] = NETWORK_DIASPORA;
+ $datarray['guid'] = $guid;
+ $datarray['uri'] = $datarray['parent-uri'] = $message_id;
+ $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert('UTC','UTC',$created);
+ $datarray['private'] = $private;
+ $datarray['parent'] = 0;
+ $datarray['plink'] = diaspora_plink($author, $guid);
+ $datarray['author-name'] = $person['name'];
+ $datarray['author-link'] = $person['url'];
+ $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
+ $datarray['owner-name'] = $datarray['author-name'];
+ $datarray['owner-link'] = $datarray['author-link'];
+ $datarray['owner-avatar'] = $datarray['author-avatar'];
+ $datarray['body'] = $body;
+ $datarray['tag'] = $str_tags;
+ $datarray['app'] = $app;
+ $datarray['visible'] = ((strlen($body)) ? 1 : 0);
+ $datarray['object'] = $object;
+ $datarray['object-type'] = $objecttype;
+
+ if ($datarray['contact-id'] == 0)
+ return false;
+
+ DiasporaFetchGuid($datarray);
+ $message_id = item_store($datarray);
+
+ /// @TODO
+ /// Looking if there is some subscribe mechanism in Diaspora to get all comments for this post
+
+ return $message_id;
+}
+*/
+
+ private function import_account_deletion($importer, $data) {
+ return true;
+ }
+
+ private function import_comment($importer, $sender, $data) {
+ $guid = notags(unxmlify($data->guid));
+ $parent_guid = notags(unxmlify($data->parent_guid));
+ $text = unxmlify($data->text);
+ $author = notags(unxmlify($data->author));
+
+ $contact = self::get_contact_by_handle($importer["uid"], $sender);
+ if (!$contact) {
+ logger("cannot find contact for sender: ".$sender);
+ return false;
+ }
+/*
+ if(! diaspora_post_allow($importer,$contact, true)) {
+ logger('diaspora_comment: Ignoring this author.');
+ return 202;
+ }
+
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($guid)
+ );
+ if(count($r)) {
+ logger('diaspora_comment: our comment just got relayed back to us (or there was a guid collision) : ' . $guid);
+ return;
+ }
+
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($parent_guid)
+ );
+
+ if(!count($r)) {
+ $result = diaspora_store_by_guid($parent_guid, $contact['url'], $importer['uid']);
+
+ if (!$result) {
+ $person = find_diaspora_person_by_handle($diaspora_handle);
+ $result = diaspora_store_by_guid($parent_guid, $person['url'], $importer['uid']);
+ }
+
+ if ($result) {
+ logger("Fetched missing item ".$parent_guid." - result: ".$result, LOGGER_DEBUG);
+
+ $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' LIMIT 1",
+ intval($importer['uid']),
+ dbesc($parent_guid)
+ );
+ }
+ }
+
+ if(! count($r)) {
+ logger('diaspora_comment: parent item not found: parent: ' . $parent_guid . ' item: ' . $guid);
+ return;
+ }
+ $parent_item = $r[0];
+
+ // Find the original comment author information.
+ // We need this to make sure we display the comment author
+ // information (name and avatar) correctly.
+ if(strcasecmp($diaspora_handle,$msg['author']) == 0)
+ $person = $contact;
+ else {
+ $person = find_diaspora_person_by_handle($diaspora_handle);
+
+ if(! is_array($person)) {
+ logger('diaspora_comment: unable to find author details');
+ return;
+ }
+ }
+
+ // Fetch the contact id - if we know this contact
+ $r = q("SELECT `id`, `network` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc(normalise_link($person['url'])), intval($importer['uid']));
+ if ($r) {
+ $cid = $r[0]['id'];
+ $network = $r[0]['network'];
+ } else {
+ $cid = $contact['id'];
+ $network = NETWORK_DIASPORA;
+ }
+
+ $body = diaspora2bb($text);
+ $message_id = $diaspora_handle . ':' . $guid;
+
+ $datarray = array();
+
+ $datarray['uid'] = $importer['uid'];
+ $datarray['contact-id'] = $cid;
+ $datarray['type'] = 'remote-comment';
+ $datarray['wall'] = $parent_item['wall'];
+ $datarray['network'] = $network;
+ $datarray['verb'] = ACTIVITY_POST;
+ $datarray['gravity'] = GRAVITY_COMMENT;
+ $datarray['guid'] = $guid;
+ $datarray['uri'] = $message_id;
+ $datarray['parent-uri'] = $parent_item['uri'];
+
+ // No timestamps for comments? OK, we'll the use current time.
+ $datarray['changed'] = $datarray['created'] = $datarray['edited'] = datetime_convert();
+ $datarray['private'] = $parent_item['private'];
+
+ $datarray['owner-name'] = $parent_item['owner-name'];
+ $datarray['owner-link'] = $parent_item['owner-link'];
+ $datarray['owner-avatar'] = $parent_item['owner-avatar'];
+
+ $datarray['author-name'] = $person['name'];
+ $datarray['author-link'] = $person['url'];
+ $datarray['author-avatar'] = ((x($person,'thumb')) ? $person['thumb'] : $person['photo']);
+ $datarray['body'] = $body;
+ $datarray["object"] = json_encode($xml);
+ $datarray["object-type"] = ACTIVITY_OBJ_COMMENT;
+
+ // We can't be certain what the original app is if the message is relayed.
+ if(($parent_item['origin']) && (! $parent_author_signature))
+ $datarray['app'] = 'Diaspora';
+
+ DiasporaFetchGuid($datarray);
+ $message_id = item_store($datarray);
+
+ $datarray['id'] = $message_id;
+
+ // If we are the origin of the parent we store the original signature and notify our followers
+ if($parent_item['origin']) {
+ $author_signature_base64 = base64_encode($author_signature);
+ $author_signature_base64 = diaspora_repair_signature($author_signature_base64, $diaspora_handle);
+
+ q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($message_id),
+ dbesc($signed_data),
+ dbesc($author_signature_base64),
+ dbesc($diaspora_handle)
+ );
+
+ // notify others
+ proc_run('php','include/notifier.php','comment-import',$message_id);
+ }
+*/
+ return true;
+ }
+
+ private function import_conversation($importer, $data) {
+ return true;
+ }
+
+ private function import_like($importer, $sender, $data) {
+ return true;
+ }
+
+ private function import_message($importer, $data) {
+ return true;
+ }
+
+ private function import_participation($importer, $data) {
+ return true;
+ }
+
+ private function import_photo($importer, $data) {
+ return true;
+ }
+
+ private function import_poll_participation($importer, $data) {
+ return true;
+ }
+
+ private function import_profile($importer, $data) {
+ return true;
+ }
+
+ private function import_request($importer, $data) {
+ return true;
+ }
+
+ private function import_reshare($importer, $data) {
+ return true;
+ }
+
+ private function import_retraction($importer, $data) {
+ return true;
+ }
+
+ private function import_status_message($importer, $data) {
+ return true;
+ }
+}
+?>
projects / friendica.git / commitdiff